Equipment for detecting pipeline length and air conditioning system with same
A technology for detecting equipment and pipe length, which is applied in the field of pipe length detection equipment and air conditioning systems with the equipment, can solve the problem that the pipe length cannot be measured physically, the refrigerant pipe length cannot be accurately measured, and it is inconvenient to measure the pipe length to maintain the pipe, etc. problems, to achieve the effect of facilitating maintenance costs, reducing maintenance costs, preventing failures or performance degradation
Inactive Publication Date: 2011-11-16
LG ELECTRONICS INC
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Problems solved by technology
[0007] In the case of injecting or charging refrigerant into prior art air conditioning systems, the length of the refrigerant piping cannot be accurately measured (this length should be known to measure the exact amount of refrigerant injected)
[0008] In addition, there is a case where the ducts installed between the indoor unit and the outdoor unit of the air conditioning system are not exposed due to the structure of the building in which the air conditioning system is installed, so that the manager of the air conditioning system cannot physically measure the duct length, In this case, it is inconvenient to measure the length of the pipeline and additional costs are required to maintain the pipeline
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[0026] see now Figure 1 to Figure 4 And according to an embodiment of the present invention, a detailed description of the pipeline length detection equipment in the air conditioning system is given.
[0027] figure 1 is a block diagram showing a pipe length detecting device for measuring a refrigerant pipe length of an air conditioning system according to an embodiment of the present invention, Figure 2A Shows the case where the length of the refrigerant pipe is detected by sending a length detection signal from the outdoor unit side and receiving this signal on the indoor unit side, while Figure 2B A case is shown in which the refrigerant pipe length is detected by sending a length detection signal from the indoor unit side and receiving the signal on the outdoor unit side.
[0028] Figure 3A and Figure 3B is based on Figure 2A and Figure 2B The equivalent circuit diagram of the refrigerant pipeline length detecting device in the air-conditioning system shown in...
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The invention provides equipment for detecting pipeline length and an air conditioning system with the same. The equipment for detecting pipeline length comprises a first impedance coupler coupled to a pipeline, a signal generator for generating signals required to be sent to the pipeline through the first impedance coupler, a second impedance coupler coupled to the pipeline, a detector for detecting signals propagated through the pipeline, and a processor for determining the length of the pipeline on the basis of detected signals. The equipment can prevent faults or deterioration of the air conditioning system caused by shortage of refrigerant, can provide convenience for users or managers and can lower maintenance cost.
Description
[0001] related application [0002] The present invention is related to the subject matter of the invention contained in Priority Korean Patent Application No. 10-2008-0087933 filed on Sep. 5, 2008, the entire contents of which are hereby incorporated by reference. technical field [0003] The present invention relates to a device and method for measuring the pipe length of an air-conditioning system having an indoor unit and an outdoor unit, in particular to a method for measuring the pipe length of an air-conditioning system by measuring the strength of a length detection signal sent from one end of the pipe Equipment and methods. Background technique [0004] Generally, an air conditioner includes an outdoor unit installed outdoors, an indoor unit installed indoors, and connecting pipes arranged between the outdoor unit and the indoor unit for transferring refrigerant. [0005] Thus, in the air conditioner, the length of the connecting pipe provided between the outdoor u...
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IPC IPC(8): G01B7/02F24F1/00F24F11/02
CPCG01B7/02F24F1/26G01D5/165G01N27/041H01L22/34
Inventor 金峻台安致善郑丞桓尹相哲全德九
Owner LG ELECTRONICS INC